Question

whether the heat of combustion is positive or negative​

Answer 1

Explanation:

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• Combustion is always an exothermic process. Because of this, enthalpy change of combustion must always be positive; on the other hand, enthalpy change of formation can be either positive or negative, since a reaction to form 1 mole of a substance can be either exothermic or endothermic.

Answer 2

Answer:

it is positive

Explanation:

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